package com.orangelife.service.property.impl;

import java.io.IOException;

public class Test {
	  public static void main(String[] args) throws IOException {   
              String str="123";
              Float.parseFloat(str);
             System.out.println(Float.parseFloat(str)-10); 
   
 }   
	  public static boolean isNumeric(String str){
		  for (int i = str.length();--i>=0;){   
		   if (!Character.isDigit(str.charAt(i))){
		    return false;
		   }
		  }
		  return true;
		 }
}
